Finding the Fourth Proportional to 7,870.14, 10,860.95 and 4,513.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,870.14 : 10,860.95 = 4,513.10 : x
2. Step 2: Convert to fraction form
   7,870.14/10,860.95 = 4,513.10/x
3. Step 3: Cross multiply
   7,870.14x = 10,860.95 × 4,513.10
4. Step 4: Simplify right side
   7,870.14x = 49,016,510.42
5. Step 5: Solve for x
   x = 49,016,510.42/7,870.14
6. Step 6: Final answer
   x = 6,228.16